From: Jeff Garzik <jeff@garzik.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Matthew Wilcox <willy@linux.intel.com>, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 1/3] SCSI: Make cmd_serial_number an atomic
Date: Sat, 02 Apr 2011 14:10:50 -0400 [thread overview]
Message-ID: <4D9766AA.4020906@garzik.org> (raw)
In-Reply-To: <20110402133643.GB18990@infradead.org>
On 04/02/2011 09:36 AM, Christoph Hellwig wrote:
> On Fri, Apr 01, 2011 at 04:20:51PM -0400, Matthew Wilcox wrote:
>>
>> In preparation for moving some drivers out from under the host_lock,
>> make cmd_serial_number an atomic.
>
> The right fix is to stop abusing cmd_serial_nubmer in those few
> drivers, and use a driver-private and more scalable lookup data
> structure than a linear list search.
Agreed.
next prev parent reply other threads:[~2011-04-02 18:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-01 20:20 [PATCH 1/3] SCSI: Make cmd_serial_number an atomic Matthew Wilcox
2011-04-02 13:36 ` Christoph Hellwig
2011-04-02 13:51 ` James Bottomley
2011-04-02 18:10 ` Jeff Garzik [this message]
2011-04-02 21:02 ` Matthew Wilcox
2011-04-03 11:00 ` Christoph Hellwig
2011-04-03 12:14 ` James Bottomley
2011-04-03 13:15 ` Matthew Wilcox
2011-04-03 13:33 ` Christoph Hellwig
2011-04-03 19:54 ` James Bottomley
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